vxe-table如何实现可编辑下拉框限制唯一选择，就是每一行选择一个选项后，其他行将不可再次选择该选择，实现每行唯一选项效果。
查看官网：https://vxetable.cn
gitbub：https://github.com/x-extends/vxe-table
gitee：https://gitee.com/x-extends/vxe-table
效果
实现原理就是通过给选项设置 disabled 属性来将已选的设置为禁用状态，也可以直接删除，方式有很多种
<template><div><vxe-toolbar><template #buttons><vxe-button @click="insertEvent()">新增</vxe-button></template></vxe-toolbar><vxe-tablebordershow-overflowref="tableRef"max-height="400":column-config="{resizable: true}":data="tableData":edit-config="{trigger: 'click', mode: 'row'}"@edit-activated="editActivatedEvent"><vxe-column type="seq" width="60"></vxe-column><vxe-column field="name" title="Name" :edit-render="{}"><template #edit="{ row }"><vxe-input v-model="row.name" type="text"></vxe-input></template></vxe-column><vxe-column field="role" title="Role" :edit-render="{}"><template #default="{ row }"><span>{{ formatRole(row) }}</span></template><template #edit="{ row }"><vxe-select v-model="row.role" clearable transfer @change="roleChangeEvent"><vxe-option v-for="item in roleList" :key="item.value" :value="item.value" :label="item.label" :disabled="item.disabled"></vxe-option></vxe-select></template></vxe-column><vxe-column field="date13" title="Date" :edit-render="{}"><template #edit="{ row }"><vxe-date-picker v-model="row.date13" type="date" transfer></vxe-date-picker></template></vxe-column></vxe-table></div>
</template><script setup>
import { ref, nextTick } from 'vue'const tableRef = ref()const tableData = ref([{ id: 10001, name: 'Test1', nickname: 'T1', role: '1', age: 28, address: 'Shenzhen', date12: '', date13: '' },{ id: 10002, name: 'Test2', nickname: 'T2', role: '2', age: 22, address: 'Guangzhou', date12: '', date13: '2020-08-20' }
])const roleList = ref([{ label: '前端', value: '1', disabled: false },{ label: '后端', value: '2', disabled: false },{ label: '项目经理', value: '3', disabled: false },{ label: '设计师', value: '4', disabled: false },{ label: '运维', value: '5', disabled: false }
])const formatRole = (row) => {const item = roleList.value.find(item => item.value === row.role)return item ? item.label : row.role
}const insertEvent = () => {const $table = tableRef.valueif ($table) {const record = {}$table.insert(record)}
}const updateRoleList = () => {const $table = tableRef.valueif ($table) {// 获取表格中的全量数据const fullData = $table.getFullData()roleList.value.forEach(item => {if (item.value) {// 如果当前选项已经被选过，则禁用item.disabled = fullData.some(row => row.role === item.value)}})}
}const roleChangeEvent = () => {updateRoleList()
}const editActivatedEvent = () => {// 激活编辑时检查剩余选项是否可选择updateRoleList()
}
nextTick(() => {updateRoleList()
})
</script>
https://gitee.com/x-extends/vxe-table